在浮力、水动力和毛细管力的共同作用下，油（气）呈间歇性运动，这在物理模拟实验中已得到证实。
Under the joint action of buoyancy, hydrodynamic force and capillary power, oil (gas) moves intermittently. This has been verified in the physical simulation experiment.
在运载层中推动油气运动的作用力主要是浮力和毛细管力，而盖层则起着毛细管阻力作用。
In delivery layers, the efforts driving hydrocarbon are mainly buoyancy and capillary force, and caprock plays an role of capillary resistance.
本文考虑了竖直毛细管中具有两个自由面的有限长液柱的粘性流体运动。
This paper deals with the motion of viscous liquid column with finite length and two free surfaces in a vertical straight capillary tube.
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